1551503648296 has 128 divisors (see below), whose sum is σ = 3538888704000. Its totient is φ = 622503447552.

The previous prime is 1551503648293. The next prime is 1551503648297. The reversal of 1551503648296 is 6928463051551.

It is not an unprimeable number, because it can be changed into a prime (1551503648291) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 236398311 + ... + 236404873.

It is an arithmetic number, because the mean of its divisors is an integer number (27647568000).

Almost surely, 2^{1551503648296} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1551503648296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1769444352000).

1551503648296 is an abundant number, since it is smaller than the sum of its proper divisors (1987385055704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1551503648296 is a wasteful number, since it uses less digits than its factorization.

1551503648296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7871 (or 7867 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 55.

The spelling of 1551503648296 in words is "one trillion, five hundred fifty-one billion, five hundred three million, six hundred forty-eight thousand, two hundred ninety-six".