1428587157101 has 8 divisors (see below), whose sum is σ = 1628977211064. Its totient is φ = 1241125493760.

The previous prime is 1428587157091. The next prime is 1428587157113. The reversal of 1428587157101 is 1017517858241.

It can be written as a sum of positive squares in 4 ways, for example, as 94328836900 + 1334258320201 = 307130^2 + 1155101^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1428587157101 - 2²⁶ = 1428520048237 is a prime.

It is a super-2 number, since 2×1428587157101² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1428587157101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1428587157121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3232097420 + ... + 3232097861.

It is an arithmetic number, because the mean of its divisors is an integer number (203622151383).

Almost surely, 2^{1428587157101} is an apocalyptic number.

It is an amenable number.

1428587157101 is a deficient number, since it is larger than the sum of its proper divisors (200390053963).

1428587157101 is a wasteful number, since it uses less digits than its factorization.

1428587157101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6464195311.

The product of its (nonzero) digits is 627200, while the sum is 50.

The spelling of 1428587157101 in words is "one trillion, four hundred twenty-eight billion, five hundred eighty-seven million, one hundred fifty-seven thousand, one hundred one".