7155551211152 has 20 divisors (see below), whose sum is σ = 14466657884160. Its totient is φ = 3422220144288.

The previous prime is 7155551211131. The next prime is 7155551211161. The reversal of 7155551211152 is 2511121555517.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9722215952 + ... + 9722216687.

It is an arithmetic number, because the mean of its divisors is an integer number (723332894208).

Almost surely, 2^{7155551211152} is an apocalyptic number.

It is an amenable number.

7155551211152 is an abundant number, since it is smaller than the sum of its proper divisors (7311106673008).

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

7155551211152 is a wasteful number, since it uses less digits than its factorization.

7155551211152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19444432670 (or 19444432664 counting only the distinct ones).

The product of its digits is 87500, while the sum is 41.

Adding to 7155551211152 its reverse (2511121555517), we get a palindrome (9666672766669).

The spelling of 7155551211152 in words is "seven trillion, one hundred fifty-five billion, five hundred fifty-one million, two hundred eleven thousand, one hundred fifty-two".