155132738087 has 2 divisors, whose sum is σ = 155132738088. Its totient is φ = 155132738086.

The previous prime is 155132738041. The next prime is 155132738099. The reversal of 155132738087 is 780837231551.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 155132738087 - 2¹⁰ = 155132737063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (155132738027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 77566369043 + 77566369044.

It is an arithmetic number, because the mean of its divisors is an integer number (77566369044).

Almost surely, 2^155132738087 is an apocalyptic number.

155132738087 is a deficient number, since it is larger than the sum of its proper divisors (1).

155132738087 is an equidigital number, since it uses as much as digits as its factorization.

155132738087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1411200, while the sum is 50.

The spelling of 155132738087 in words is "one hundred fifty-five billion, one hundred thirty-two million, seven hundred thirty-eight thousand, eighty-seven".