1525400042101 has 8 divisors (see below), whose sum is σ = 1695730072064. Its totient is φ = 1362640235760.

The previous prime is 1525400042093. The next prime is 1525400042113. The reversal of 1525400042101 is 1012400045251.

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 1525400042101 - 2³ = 1525400042093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1525400042171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1892555481 + ... + 1892556286.

It is an arithmetic number, because the mean of its divisors is an integer number (211966259008).

Almost surely, 2^{1525400042101} is an apocalyptic number.

It is an amenable number.

1525400042101 is a deficient number, since it is larger than the sum of its proper divisors (170330029963).

1525400042101 is a wasteful number, since it uses less digits than its factorization.

1525400042101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3785111811.

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 1525400042101 its reverse (1012400045251), we get a palindrome (2537800087352).

The spelling of 1525400042101 in words is "one trillion, five hundred twenty-five billion, four hundred million, forty-two thousand, one hundred one".