1350256615531 has 4 divisors (see below), whose sum is σ = 1357252763992. Its totient is φ = 1343260467072.

The previous prime is 1350256615523. The next prime is 1350256615541. The reversal of 1350256615531 is 1355166520531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1350256615531 - 2³ = 1350256615523 is a prime.

It is a super-2 number, since 2×1350256615531² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1350256615541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3498073941 + ... + 3498074326.

It is an arithmetic number, because the mean of its divisors is an integer number (339313190998).

Almost surely, 2^{1350256615531} is an apocalyptic number.

1350256615531 is a deficient number, since it is larger than the sum of its proper divisors (6996148461).

1350256615531 is an equidigital number, since it uses as much as digits as its factorization.

1350256615531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6996148460.

The product of its (nonzero) digits is 405000, while the sum is 43.

The spelling of 1350256615531 in words is "one trillion, three hundred fifty billion, two hundred fifty-six million, six hundred fifteen thousand, five hundred thirty-one".