1520132134551 has 4 divisors (see below), whose sum is σ = 2026842846072. Its totient is φ = 1013421423032.

The previous prime is 1520132134529. The next prime is 1520132134567. The reversal of 1520132134551 is 1554312310251.

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 1520132134551 - 2⁶ = 1520132134487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1520132139551) 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, 253355355756 + ... + 253355355761.

It is an arithmetic number, because the mean of its divisors is an integer number (506710711518).

Almost surely, 2^{1520132134551} is an apocalyptic number.

1520132134551 is a deficient number, since it is larger than the sum of its proper divisors (506710711521).

1520132134551 is an equidigital number, since it uses as much as digits as its factorization.

1520132134551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 506710711520.

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 1520132134551 in words is "one trillion, five hundred twenty billion, one hundred thirty-two million, one hundred thirty-four thousand, five hundred fifty-one".