1520511992942 has 8 divisors (see below), whose sum is σ = 2280773241216. Its totient is φ = 760254245872.

The previous prime is 1520511992941. The next prime is 1520511993023. The reversal of 1520511992942 is 2492991150251.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1520511992941) 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, 1121018 + ... + 2073090.

It is an arithmetic number, because the mean of its divisors is an integer number (285096655152).

Almost surely, 2^{1520511992942} is an apocalyptic number.

1520511992942 is a deficient number, since it is larger than the sum of its proper divisors (760261248274).

1520511992942 is an equidigital number, since it uses as much as digits as its factorization.

1520511992942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1750602.

The product of its (nonzero) digits is 583200, while the sum is 50.

The spelling of 1520511992942 in words is "one trillion, five hundred twenty billion, five hundred eleven million, nine hundred ninety-two thousand, nine hundred forty-two".