1398037075051 has 8 divisors (see below), whose sum is σ = 1480406954400. Its totient is φ = 1315681907328.

The previous prime is 1398037075049. The next prime is 1398037075079. The reversal of 1398037075051 is 1505707308931.

It is a happy number.

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 1398037075051 - 2¹ = 1398037075049 is a prime.

It is a super-3 number, since 3×1398037075051³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1398037074986 and 1398037075004.

It is not an unprimeable number, because it can be changed into a prime (1398037075651) 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, 3481951 + ... + 3862648.

It is an arithmetic number, because the mean of its divisors is an integer number (185050869300).

Almost surely, 2^{1398037075051} is an apocalyptic number.

1398037075051 is a deficient number, since it is larger than the sum of its proper divisors (82369879349).

1398037075051 is a wasteful number, since it uses less digits than its factorization.

1398037075051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7355813.

The product of its (nonzero) digits is 793800, while the sum is 49.

The spelling of 1398037075051 in words is "one trillion, three hundred ninety-eight billion, thirty-seven million, seventy-five thousand, fifty-one".