51532106015542 has 16 divisors (see below), whose sum is σ = 77450358219264. Its totient is φ = 25715363625000.

The previous prime is 51532106015527. The next prime is 51532106015561. The reversal of 51532106015542 is 24551060123515.

It is a junction number, because it is equal to n+sod(n) for n = 51532106015495 and 51532106015504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8559834 + ... + 13279117.

It is an arithmetic number, because the mean of its divisors is an integer number (4840647388704).

Almost surely, 2^{51532106015542} is an apocalyptic number.

51532106015542 is a deficient number, since it is larger than the sum of its proper divisors (25918252203722).

51532106015542 is a wasteful number, since it uses less digits than its factorization.

51532106015542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21841275.

The product of its (nonzero) digits is 180000, while the sum is 40.

The spelling of 51532106015542 in words is "fifty-one trillion, five hundred thirty-two billion, one hundred six million, fifteen thousand, five hundred forty-two".