1401515531225 has 12 divisors (see below), whose sum is σ = 1737894709584. Its totient is φ = 1121202456720.

The previous prime is 1401515531203. The next prime is 1401515531239. The reversal of 1401515531225 is 5221355151041.

It is not a de Polignac number, because 1401515531225 - 2¹⁰ = 1401515530201 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4123202 + ... + 4450148.

It is an arithmetic number, because the mean of its divisors is an integer number (144824559132).

Almost surely, 2^{1401515531225} is an apocalyptic number.

It is an amenable number.

1401515531225 is a deficient number, since it is larger than the sum of its proper divisors (336379178359).

1401515531225 is a wasteful number, since it uses less digits than its factorization.

1401515531225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498424 (or 498419 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 35.

The spelling of 1401515531225 in words is "one trillion, four hundred one billion, five hundred fifteen million, five hundred thirty-one thousand, two hundred twenty-five".